Finding the Fourth Proportional to 1,731,641.80, 2,597,462.70 and 786,857.80
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Solution
The fourth proportional to 1,731,641.80, 2,597,462.70 and 786,857.80 is: 1,180,286.70
Step by Step Solution
- Step 1: Write the proportion equation
1,731,641.80 : 2,597,462.70 = 786,857.80 : x - Step 2: Convert to fraction form
1,731,641.80/2,597,462.70 = 786,857.80/x - Step 3: Cross multiply
1,731,641.80x = 2,597,462.70 × 786,857.80 - Step 4: Simplify right side
1,731,641.80x = 2,043,833,785,704.06 - Step 5: Solve for x
x = 2,043,833,785,704.06/1,731,641.80 - Step 6: Final answer
x = 1,180,286.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.